If you find ants roaming around your home, chances are it’s because they’re searching for or have found a source of food or water. Depending on species, they may also be building nests inside the walls of your home. Ants may seem to spontaneously appear in many places due to their small size. It’s also because of their size that it may seem difficult to get rid of ants or prevent them from entering your home. Here’s what you need to know about keeping them away.